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233823425 = 521137027
BaseRepresentation
bin11011110111111…
…01110011000001
3121021222110102212
431323331303001
5434324322200
635111351505
75536315643
oct1573756301
9537873385
10233823425
1110aa95000
1266382595
133959a674
14230a8893
15157db035
hexdefdcc1

233823425 has 24 divisors (see below), whose sum is σ = 318958752. Its totient is φ = 170029200.

The previous prime is 233823409. The next prime is 233823463. The reversal of 233823425 is 524328332.

It is not a de Polignac number, because 233823425 - 24 = 233823409 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233823391 and 233823400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29762 + ... + 36788.

It is an arithmetic number, because the mean of its divisors is an integer number (13289948).

Almost surely, 2233823425 is an apocalyptic number.

233823425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233823425 is a deficient number, since it is larger than the sum of its proper divisors (85135327).

233823425 is an equidigital number, since it uses as much as digits as its factorization.

233823425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070 (or 7043 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 233823425 is about 15291.2859171490. The cubic root of 233823425 is about 616.0689761197.

The spelling of 233823425 in words is "two hundred thirty-three million, eight hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 121 275 605 1331 3025 6655 7027 33275 35135 77297 175675 386485 850267 1932425 4251335 9352937 21256675 46764685 233823425